added ref./pr. edn. and image doi to metadata

Signed-off-by: Saverio Dalpedri <s.dalpedri@gmail.com>

Author: Saverio Dalpedri

DCLP/977/976540.xml

@@ -132,7 +132,27 @@ Commons Attribution 3.0 License</ref>
             <listBibl>
                <bibl type="printed">P. Oxy. 86, 2021, pl. 5</bibl>
                <bibl type="online">
-                  <ptr target="https://portal.sds.ox.ac.uk/articles/online_resource/P_Oxy_LXXXVI_5547_Christian_Amulet_for_Thecla/21186625"/>
+                  <ptr target="https://doi.org/10.25446/oxford.21186625"/>
+               </bibl>
+            </listBibl>
+         </div>
+         <div type="bibliography" subtype="principalEdition">
+            <listBibl>
+               <bibl n="1" type="publication" subtype="principal">
+            <!-- ignore - start, i.e. SoSOL users may not edit this -->
+            <!-- ignore - stop -->
+                  <ptr target="http://papyri.info/biblio/97115"/>
+                  <biblScope n="1" unit="volume">86</biblScope>
+                  <biblScope n="2" unit="number">5547</biblScope>
+                  <biblScope n="3" unit="page"/>
+               </bibl>
+               <bibl n="2" type="reference" subtype="principal">
+            <!-- ignore - start, i.e. SoSOL users may not edit this -->
+            <!-- ignore - stop -->
+                  <ptr target="http://papyri.info/biblio/97115"/>
+                  <biblScope n="1" unit="volume">86</biblScope>
+                  <biblScope n="2" unit="number">5547</biblScope>
+                  <biblScope n="3" unit="page"/>
                </bibl>
             </listBibl>
          </div>